Our recent changes have enabled the swap file for the current session. However, if we reboot, the server will not retain the swap settings automatically. We can change this by adding the swap file to our
Back up the
/etc/fstab file in case anything goes wrong:
sudo cp /etc/fstab /etc/fstab.bak
Add the swap file information to the end of your
/etc/fstab file by typing:
echo '/swapfile none swap sw 0 0' | sudo tee -a /etc/fstab
Next we’ll review some settings we can update to tune our swap space.